Nickeline and Erythrite Physical Properties

Nickeline

Erythrite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.06

1 7.18

1.5 Fracture

Conchoidal, Uneven

Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).

1.6 Cleavage

{1010} Imperfect, {0001} Imperfect

Perfect on {010}; poor on {100} and { 1 02}.

1.7 Mohs Hardness

5-5.5Not Available

2 10

1.8 Chemical Composition

Not Available

Co3(AsO4)2•8(H2O)

Nickeline and Erythrite Chemical Formula

While comparing Nickeline and Erythrite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Nickeline and Erythrite chemical formula.

Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

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Nickeline and Erythrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nickeline and Erythrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nickeline and Erythrite Optical Properties during the identification of gemstone. Specific gravity of Nickeline is 3.06 whereas that of Erythrite is 3.06.